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| author | Kirill Tkhai <ktkhai@parallels.com> | 2014-09-22 22:36:24 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-11-14 08:59:49 -0800 |
| commit | 119947ac0a0929f3602d6015c49116ea67cbc617 (patch) | |
| tree | 269596c6709d7af0abdf0ee0978c38ab5c96c3af /arch | |
| parent | bb6e183ba2117dadf41da99470aa9ea056c38782 (diff) | |
| download | linux-stable-119947ac0a0929f3602d6015c49116ea67cbc617.tar.gz linux-stable-119947ac0a0929f3602d6015c49116ea67cbc617.tar.bz2 linux-stable-119947ac0a0929f3602d6015c49116ea67cbc617.zip | |
sched: Use dl_bw_of() under RCU read lock
commit 66339c31bc3978d5fff9c4b4cb590a861def4db2 upstream.
dl_bw_of() dereferences rq->rd which has to have RCU read lock held.
Probability of use-after-free isn't zero here.
Also add lockdep assert into dl_bw_cpus().
Signed-off-by: Kirill Tkhai <ktkhai@parallels.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/20140922183624.11015.71558.stgit@localhost
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch')
0 files changed, 0 insertions, 0 deletions